Combined heating and cooking stove.



PATENTED JAN. 8, 1907.

J. I. HAMAKER. COMBINED HEATING AND COOKING STOVE.

APPLICATION FILED DEO.12.1905.

2 SHEETS-SHEET 1.

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J. 1. HAMQ/KER.

COMBINED HEATING AND COOKING STOVE.

APPLICATION FILED DEO.12.1905.

2 SHEETS-SHEET 2.

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W/ TNE SSE S: J "w ATTORNEYS JoiiN IRVIN HAMAKER, F COLLEGE PARK, VIRGINIA.

COMBINED HEATING AND COOKING s'rove.

Specificatign of Letters Patent.

I Patented Jan. 8, 1907'.

Application filed December 12, 1906. Serial No. 291,377.

To all w hom it may concern.-

Be it known that I, JOHN IRVIN HAMAKER,

' a citizen of the United States, and a resident which a door 4 is provided.

and the bottom, and thus forming spaces f of- College Park, the county of Campbell and Stateof Virginia, have made certain new and useful Improvements in a Combined- Heating and Cooking Stove, of which the following 1s a specification My improved stove is so constructed that it may be produced at small cost. i It practically combines an oven, a waterheater, a steam-cooker, and a warming-chamher, all arranged with a view. tothe reatest econom of heat and consequently of fuel.

The eta'ils of-co'nstruction, arrangement, and combination of parts are as hereinafter described, reference being had to the accompanying'drawings, in which I igure 1 is a sectional elevation of the stove, the plane of section bein parallel to the front. the line 2 2 of Fig. 1. Fig. 3 is avertical central section on aline atright anglesto that shown in Fi 1. Fig. 4 is a horlzontal section on the hire 4 4 of Fig. 3.

In the following. dGSGI'IPtiOIl, for sake of clearness, the structuralsparts will be 'indi cated by numerals, and the spaces intervening or surrounding such partsby lower-case letters.

0. indicates an oven, 1) a water-chamber, c

which are arranged oneabove another, and

all but the water-chamber bein provided with doors, indicated, respective by numorals 1, 2, 3. (See especia yFig. 3..) Beneath the oven 11' and extended laterally beyond it is a combustion-chamber e, for ee vF e- 3-) Theoven, water-chamber, steamchamber, and warming-chamber are inclosed on all but the'front sides by a sheet-metal shell 5.

Exterior to this shell5 are shells'6, 7, and 8,

all spaced apart on all sides save the front g'k, whose functionswill be hereinafter described. The water spaceor chamber exists between the shells 5 and 11, and the bottom 13 of the steamchamber is cutaway, as indicated in Fig. 1 on twosides, so that steam has free entrance into the same. The bottom 14 of the warming-closet is of course intact, or without perforations. Water is suplied to the space 12 through a pipe 15, (see 'g. 1,) which is extended on the outer side Fig. 2 is a horizonta section onv door 1.

desired water-surface in thesaid space. A drainipe 16 with stop-cock is connected with t e lower portion of the water chamber, and a hot-water draw-off pipe 17 is similarly connected with the upper portion of the water-chamber. I

a The shell 8 is provided at the bottom (see Fig. 1) with an opening 01, through which air is admitted,the same'passing up in what isv of the stove to a point at least as high as the termed. the upfiue-draft h, then through "either of two courses,that is to say, they may enter the space. I, provided between the shell 10 of the oven and a parallel shell 11., that constitutes the inner side of the water, chamber. From' such flue or spacel the gases pass through side passages Z (see Figs. 2, 3) into the flue-space proper, g, and, thus around three sides of the steam-c amber and warming-chamber and over the top of the 12. As indicated in Figs.'2 and 3', the front side of the water-chamber is spaced from the front side of the'stove, thus providing the side or lateral passages 1' before referred to. On the other hand, when desired, the heated air and products of combustion may be directed into the oven a. atzthe point m, Fig.

'3, where an opening in the oven-bottom is provided adjacent to the door 1. This opena ing may :be' closed by a hinged;valve 20, which in Fig. 3 is shown open in full lines, while in Fig. 2 it is, indicated as closed.

This valveis accessible and may be adjusted manually to either position by opening the The alternative course of the heated air From the latterthe .air, which has "latter to the stovepipe collaror connection and gaseous products of combustion is due to the followingmeans: Beneath thebottom of the oven (see Fig; 3) I provide fender-plates 18 which are inclined toward each other and-- spaced from the bottom of the oven and separated from each other. Between their inner edges is arranged a pivoted fender-- plate 19, the same being provided with an operating-handle 20, that extends out at one side of the stove. It will be seen that by placing this fender-plate 19' at one or the Recapitulating the operation of the stove,

I will state that air enters the opening '11 at bottom of shell 8, ascends in the space it, passes through opening 3' in shell 7, and descends in space g, and thence through opening is into the combustion-chamber. The products of combustion and heated air either enter the space Z, that mainly surrounds the oven, or else pass into and through oven a, and thence into the flue-space f, and thus to the stovepipe connection 12. It may be stated in this connection that'when gasolene is employed as the fuel the valve 20 will be closed to cause products of combustion to enter flue or space Z'direct, since the odor might be absorbed by the food being cooked; but when kerosene or ordinary illuminatinggas is used as the fuel the valve 20 may be opened to allow free passage of products of combustion-through the oven.

It will be seen that I provide a circulating feed-draft which prevents almost completely the loss of heat from the surface of the stove and to a large degree also the escape of heat at the poi t 12. Further, the water-s ace provided a ound the oven utilizes the cat radiated from the oven and the combustionchamber below and also 'from the flue-spaee f. The stove is intended for combustion of smokeless fuelsuch as gas, gasolene, kerosene, charcoal, &c.but other fuels may be employed. In practice the several shells, or any of them, may be provided with a layer of non-conducting material, such as asbestos.

I desire it understood that the arrange-v ment of the shells or jackets spaced apart to form draft-spaces, &c., may be applied to ovens and boilers generallyfor example, to water-heaters for bath-rooms, to coffee-boilers, drying-ovens, &c.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. The improved heating and cooking stove, comprising a series of shells, arrange parallel andspaced apart, the inner shell inclosing a warming-chamber, a steam-chamher, a water space connected with such steam-chamber, an oven, a space surround ing the oven, and a combustion-chamber below the latter, the two outer shells 7 and 8, having openings to allow air to traverse the two adjacent spaces and enter the combustionohamber, the products of combustion passing thence into the space around the oven and thus into an escape -.flue arranged adjacent to the steam-chamber and warming-chamber.

2. In a stove of the character described, the combination of parallel shells spaced apart; and provided with openings for adn-ission of air and products of combustion and final escape thereof, an oven arranged within the inner shell, a water-chamber exterior to the oven, and a steam-chamber located above the water-chamber and having its bottom cut away or slotted for admission of steam. directly from the water-chamber, substantially as described.

3. A stove comprising a series of shells arranged parallel on the sides and at the top, and spaced a art, their front edges communicating with t e front side of the stove, a combu'stion-chamber arranged at the base of the stove, and an oven, a water-chamber, a steam-chamber, and warming-chamber arranged one above another within the inner shell, and flue-spaces arranged around the oven and exterior to the water-chamber, steam-chamber, and warming-chamber, all substantially as described.

I 4. The combination with an oven, a series ofshells inclosing the oven and spaced apart and a .co'mbustion-chamber communicatin with the space around the oven, of incline fender-plates arranged below the oven and spaced apart, and a pivoted oscillating plate arranged between them and serving to divert heated products of combustion laterally as 

